<template>
  <el-container>
    <el-header>ab</el-header>
    <el-main>c</el-main>
    <el-foot>
      <el-row gutter="20">
        <el-col :span="4">a</el-col>
        <el-col :span="4">b</el-col>
        <el-col :span="4">c</el-col>
        <el-col :span="4">d</el-col>
        <el-col :span="4">e</el-col>
      </el-row>
    </el-foot>
  </el-container>
</template>
<script>
export default {
  name: "Demo"
};
</script>